616318 has 8 divisors (see below), whose sum is σ = 978912. Its totient is φ = 290016.

The previous prime is 616313. The next prime is 616321. The reversal of 616318 is 813616.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 616292 and 616301.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (616313) by changing a digit.

616318 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9030 + ... + 9097.

It is an arithmetic number, because the mean of its divisors is an integer number (122364).

2⁶¹⁶³¹⁸ is an apocalyptic number.

616318 is a deficient number, since it is larger than the sum of its proper divisors (362594).

616318 is a wasteful number, since it uses less digits than its factorization.

616318 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18146.

The product of its digits is 864, while the sum is 25.

The square root of 616318 is about 785.0592334340. The cubic root of 616318 is about 85.1010562774.

The spelling of 616318 in words is "six hundred sixteen thousand, three hundred eighteen".